Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3DMC callsign genealogy
Currently held by Limpert, John A
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by N3DMC's current licensee, walking backwards.
- MCCLURE, DAVIDTXgranted 2023-08-29cancelled 2024-04-30
Successor callsigns
Callsigns held now by people who previously held N3DMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3DMC, oldest first.
- Limpert, John A MD2007-01-26 → cancelled 2019-04-02
- MCCLURE, DAVID TX2024-04-30 active